.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--gradient-start) 0,var(--gradient-end) 100%);padding:16px;position:relative;overflow:hidden}.login-container:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,hsla(0,0%,100%,.1) 0,transparent 70%);animation:pulse 4s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:.8}}.login-card{background:#fff;border-radius:20px;padding:32px 24px;width:100%;max-width:450px;box-shadow:0 20px 60px rgba(0,0,0,.3);position:relative;z-index:1;animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-header{text-align:center;margin-bottom:32px}.login-logo{margin-bottom:18px;border-radius:16px}.login-title{font-size:1.6rem;font-weight:700;color:var(--text);margin-bottom:8px;background:linear-gradient(135deg,var(--primary),var(--gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{color:var(--text-secondary);font-size:.9rem}.login-form{gap:20px}.form-group,.login-form{display:flex;flex-direction:column}.form-group{gap:8px}.form-group label{font-weight:600;color:var(--text);font-size:.9rem}.form-group input{padding:16px;border:2px solid var(--border);border-radius:12px;font-size:1rem;transition:all .3s ease;font-family:inherit;min-height:52px;-webkit-appearance:none}.form-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,168,168,.1)}.login-button{padding:16px;background:linear-gradient(135deg,var(--primary),var(--gradient-end));color:#fff;border:none;border-radius:12px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:8px;min-height:52px}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px rgba(28,168,168,.4)}.login-button:active:not(:disabled){transform:scale(.98)}.login-button:disabled{opacity:.8;cursor:not-allowed}.button-loading{display:flex;align-items:center;justify-content:center;gap:10px}.spinner{width:18px;height:18px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.error-message{background:#fee2e2;color:#dc2626;padding:14px 16px;border-radius:10px;border-left:4px solid #dc2626;font-size:.875rem;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}.login-footer{margin-top:28px;text-align:center;color:var(--text-secondary);font-size:.875rem}.login-footer p{margin-bottom:8px}.login-footer .footer-secondary{font-size:.8rem;margin-bottom:0;opacity:.8}.login-footer a{color:var(--primary);text-decoration:none;font-weight:600;transition:color .3s ease}.login-footer a:hover{color:var(--primary-dark)}@media (min-width:640px){.login-card{padding:40px 36px}.login-title{font-size:1.85rem}.login-header{margin-bottom:36px}.form-group input:focus{transform:translateY(-2px)}}@media (min-width:768px){.login-container{padding:20px}.login-card{padding:50px 40px}.login-title{font-size:2rem}.login-header{margin-bottom:40px}.login-form{gap:24px}}